Ems Voltage Supply Below The Minimum Required Level; Engine; Occurrence Of Uncharacteristic And Severe Engine; Vibrations - Rotax 912 iS Sport Operator's Manual

4.1.2) EMS voltage supply below the minimum required level

4.2) Engine

Engine not
responding

4.2.1) Occurrence of uncharacteristic and severe engine

vibrations

Engine vibrations

4.2.2) Re-Start during flight

4.2.3) Exceeding max. admissible engine speed

Exceeding engine
speed
Page 4-6
January 01 2019
Reduce engine power setting to the minimum necessary and
carry out precautionary landing.
• Limited flight operation is possible if the voltage (alternator A
or B) is OK here
• Proceed according to section: "Failure of the EMS power
supply" if this shows no effect
• A maintenance inspection should be carried out
Engine not responding to throttle inputs
• Possible breakage/blockage of throttle valve actuation/
linkage.
• Possible problem/influence of alternate air system.
• Limited flight operation with available power possible.
• A maintenance inspection should be carried out.
• If the vibrations occur in conjunction with a loss of power then
the engine may only be firing on 3 cylinders
• Limited flight operation
• A maintenance inspection should be carried out
If the propeller continues to rotate during flight by windmilling,
but the speed is not sufficient to start the engine, the electric
starter can be used. It is not required to wait until the propeller
stand still.
Reduce the engine speed. Any exceeding of the max. admissi-
ble engine speed has to be entered by the pilot into logbook,
stating duration and extent of over engine speed.
• A maintenance inspection should be carried out
BRP-Rotax
ATTENTION
Effectivity: 912 i Series
Edition 2 / Rev. 0